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等溫淬火球墨鑄鐵的特性、生產技術及應用

來源:百鑄聯盟 曾藝成 2016-05-27 瀏覽
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YI、DENGWENCUIHUOQIUTIE(ADI)DEJIGEJIBENRENSHIJIXINGNENGTEDIAN

1. JIGEJIBENRENSHI

1)等溫淬火球鐵是把健全的球墨鑄鐵件進行等溫熱處理,以獲得優異的綜合力學性能,因此其前提是健全的球墨鑄鐵件。

金巴黎彩票 2)HEJINYUANSUDUIQIUTIELIXUEXINGNENGYOUZHONGYAOYINGXIANG,DANDUIDENGWENCUIHUOQIUTIE(ADI)MEIYINGXIANG。DENGCUIDEMUDESHIJIUSHILIYONGRECHULIJISHUGAIBIANZHUTIEDEJITIZUZHI,TIGAOLIXUEXINGNENG,JIESHENGHEJINYUANSU。JIARUHEJINYUANSUDEMUDESHITIGAOCUITOUXING。

3)QIUTIEYUANSHIJITIZUZHIDUIDENGCUIQIUTIEDELIXUEXINGNENGMEIYINGXIANG,DANDUIBIANXINGYOUYINGXIANG,YINTIESUTIHEZHUGUANGTIBIANXINGLIANGSHIBUYIYANGDE,QIXIANXINGZENGCHANGLIANGSHIZHUTAIJITIZUZHIHEDENGWENWENDUDEHANSHU(JIANXIATU)。

為了提高加工刀具壽命和控制變形,美國通用汽車公司在生產ADI后橋齒輪時,鑄件金巴黎彩票經退火以獲得100%的鐵素體。試驗表明,在試樣熱透后保溫15分鐘,已足以使基體完全奧氏體化。

金巴黎彩票 4)QIUHUALV、QIUSHUDUIADICHONGJI、PILAODENGDONGTAILIXUEXINGNENGYINGXIANGHENDA,QIANGDUYUGAO,YINGXIANGYUXIANZHU。YINCI,DUIQIUHUALVJISHIMOQIUSHUDEYAOQIUBIPUTONGQIUTIEGAO,QIUHUALVYAOQIU90%YISHANG(JIANBIAO1、BIAO2)。

表1 石墨球化分級對稀土球墨鑄鐵疲勞極限和小能量多沖性能的影響
石墨球化分級對稀土球墨鑄鐵疲勞極限和小能量多沖性能的影響

表2 石墨球大小、球數對等溫淬火球墨鑄鐵彎曲疲勞強度的影響
石墨球大小、球數對等溫淬火球墨鑄鐵彎曲疲勞強度的影響

5)DENGWENCUIHUOQIUTIEGEPAIHAOZHUYAOKAOBUTONGDENGWENWENDUHUODE,YUHUAXUECHENGFENGUANXIBUDA,JITONGYICHENGFENQIUTIEYONGBUTONGDENGWENCUIHUOWENDUKESHENGCHANBUTONGPAIHAOADI。HUAXUECHENGFENZHUYAOJUEDINGYUZHUJIANDAXIAO,BIHOUHEJIEGOU。

金巴黎彩票 6)DENGWENCUIHUOQIUTIEDEMOUXIEZUZHIYEKETONGGUOJIARUHEJINYUANSU、KONGQIZHONGQIANGHUALENGQUEHUODE,DANYINXUYAOJIARUDALIANGDENi、Mo、CuDENGHEJINYUANSU,CHENGBENTAIGAOQIEBUWENDING,YINCIBUJIAYITAOLUN,ZHUYAOTAOLUNJINGYANYUDENGWENCUIHUOCHULIDEADI。

2. XINGNENGTEDIAN

金巴黎彩票 DENGWENCUIHUOQIUMOZHUTIEJUYOUYIXIAXINGNENGTEDIAN:

(1)QIANGDUGAO、SUXINGHAO。ZAITONGDENGSHENCHANGLVQINGKUANGXIA,ADIDEKANGLAQIANGDUSHIPUTONGQIUTIEDE2BEI,ERZAITONGDENGKANGLAQIANGDUQINGKUANGXIA,SHENCHANGLVSHIPUTONGQIUTIELIANGBEIYISHANG,ADIKANGLAQIANGDUYEYOUYUDIAOZHICHULIDETANGANG,YUDIHEJINGANGXIANGDANG。

(2)ZHILIANGQING。BIAO3SHIYIXIECAILIAODEDANWEIKANGLAQIANGDUSUOXULINGJIANZHONGLIANG(w/y)。

表3 幾種材質的w/y
 幾種材質的w/y

金巴黎彩票 (3)WANQUPILAOQIANGDUHEJIECHUPILAOQIANGDUDENGDONGZAIXINGNENGGAO。XUANZHUANWANQUPILAOQIANGDUKEDA400~500MPa,YUDIAOZHICHULIDIHEJINGANGXIANGDANG;JIECHUPILAOQIANGDUKEDA1600~2100MPa,BIDIHEJINGANGDANHUACHULIDEJIECHUPILAOQIANGDUGAO。

(4)XIZHENXINGHAO。ADIYOUYUDANXINGMOLIANGDI,JIASHANGJITIZHONGCUNZAISHIMOQIU,NENGXUNSUXISHOUZHENDONGBINGZENGDAZAOSHENGZUNI,SHIBUJIANDEYUNXINGGENGANJINGHEPINGWEN。

(5)JIHAODENAIMO、KANGMOXING。SHIYANBIAOMING,YINGDUWEI45~48HRCDEDENGWENCUIHUOQIUTIECHILUN,QISHOUMINGBIJUYOUMASHITIZUZHI、YINGDUWEI58~62HRCDEDUANGANGCHILUNGENGCHANG。CADI(HANTANHUAWU18%)DENAIMOXINGNENGSHENGGUOXUDUOGAOHEJINNAIMOZHUTIE(AR),QIWUQUEKOUCHONGJIRENXINGZESHINAIMOZHUTIEDE2~10BEI,SHIYIYONGYUYAOQIUYOUYINAIMOXINGNENGHEZUGOURENXINGDECHANGHE。

(6)BIAOMIANQIANGHUAXIAOGUOXIANZHU。SHIYANHESHENGCHANSHIJIANJUNZHENGMING,ADIJUYOUHENHAODEBIAOMIANQIANGHUAXIAOGUO,NENGXIANZHUTIGAOGOUJIANDEPILAOQIANGDU。LIRU2007NIAN11YUE7RIXIUDINGDEASTM897MGEPAIHAODIANXINGXINGNENGZHONG,TONGGUOGAILV50%DANCHIWANQUPILAOQIANGDUPENWANDEBIBUPENWANDETIGAO50%ZUOYOU(JIANBIAO4)。

表4 噴丸對單齒彎曲疲勞的影響
 噴丸對單齒彎曲疲勞的影響

QUZHOUJINGYUANJIAOGUNYAHOUWANQUPILAOQIANGDUYEXIANZHUTIGAO。JUMEIGUOLIANHESHOUGEJIDEYIXIANGYANJIUBAOGAO,XINGHAOWEI202ZHONGZAIHUOCHEV-8CHAIYOUJIADIQUZHOU,GUNYAQIANHOUWANQUPILAOQIANGDUFENBIEWEI414MPaHE986MPa,TIGAO138%;ERPUTONGQIUTIEQUZHOUGUNYAHOUDEWANQUPILAOQIANGDUZHITIGAO50~60%ZUOYOU。

CIWAI,ADIDELIXUEXINGNENGGENJUDENGWENCUIHUOGONGYIDEBUTONG,KEYIZAIJIAODAFANWEINEIBIANHUA,YIMANZULINGJIANZAIBUTONGGONGZUOTIAOJIANDEYAOQIU。

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